Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFq9GR8QQstIB6l2j0wg9lgwrDI2L5WoFNnwB4oLXHFlDYHpM4jBXQ5/G2q… (844 chars)"
  }
}